body {
    background-color: rgb(50, 150, 100);
    background-size: cover;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center;
    background-image: url(https://vip.123pan.cn/1812244635/%E5%88%86%E4%BA%AB/Data/%E5%9B%BE%E7%89%87/%E5%A3%81%E7%BA%B8/Windows%2010%20IKUN%E9%B8%A1%E5%A3%81%E7%BA%B8.jpg);
}

.title,
.subheading {
    color: rgb(255, 255, 255);
    filter: drop-shadow(0px 0px 2px rgba(255, 255, 255, 0.5));
}

.content-essay,
.content-button {
    background-color: rgba(255, 255, 255, 0);
    border: 4px solid rgb(255, 255, 255);
    backdrop-filter: blur(2px);
    filter: drop-shadow(0px 0px 2px rgba(255, 255, 255, 0.5));
}

.content-button:hover {
    background-color: rgba(255, 255, 255, 0);
}

.content-essay-title {
    filter: none;
}

.content-essay-detail {
    filter: none;
}

.content-button-title {
    filter: none;
}

.content-button-detail {
    filter: none;
}

body::-webkit-scrollbar-thumb,
.title::-webkit-scrollbar-thumb,
.subheading::-webkit-scrollbar-thumb,
.content-button::-webkit-scrollbar-thumb,
.content-button-title::-webkit-scrollbar-thumb,
.content-button-detail::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.25);
}

body::-webkit-scrollbar-thumb:hover,
.title::-webkit-scrollbar-thumb:hover,
.subheading::-webkit-scrollbar-thumb:hover,
.content-button::-webkit-scrollbar-thumb:hover,
.content-button-title::-webkit-scrollbar-thumb:hover,
.content-button-detail::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

body::-webkit-scrollbar-thumb:active,
.title::-webkit-scrollbar-thumb:active,
.subheading::-webkit-scrollbar-thumb:active,
.content-button::-webkit-scrollbar-thumb:active,
.content-button-title::-webkit-scrollbar-thumb:active,
.content-button-detail::-webkit-scrollbar-thumb:active {
    background-color: rgba(255, 255, 255, 0.25);
}

.content-button::-webkit-scrollbar-thumb,
.content-button-title::-webkit-scrollbar-thumb,
.content-button-detail::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.25);
}

.content-button::-webkit-scrollbar-thumb:hover,
.content-button-title::-webkit-scrollbar-thumb:hover,
.content-button-detail::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.content-button::-webkit-scrollbar-thumb:active,
.content-button-title::-webkit-scrollbar-thumb:active,
.content-button-detail::-webkit-scrollbar-thumb:active {
    background-color: rgba(255, 255, 255, 0.25);
}